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Descaling
For the best water quality, Buffalo recommend that a water filter is installed to the mains water supply,
particularly in hard water areas. Doing so will reduce the build up of limescale and contaminants in the
water tank thus maintaining energy efficiency and prolonging the life of the appliance.
To de-scale the appliance:
1. Pour a solution of de-scaler and water into the appliance.
2. Brush the interior gently with a soft bristled brush.
3. Discard the solution collected in the jug.
4. Fill the appliance with clean water and turn back On to flush out the system. Flush out the system
thoroughly to remove any de-scaler residue.
5. The appliance is now ready for use.
Note: Use a suitable de-scaler and always follow the instructions on the container.
BUFFALO recommend that this appliance is de-scaled every 3 months or more often in hard
water areas.
IMPORTANT: Failure to de-scale or maintain will invalidate your guarantee.
Troubleshooting
A qualified technician must carry out repairs if required.
Fault
The unit is not working
Indicator light comes
on but water does not
reach temperature
The tap is leaking
No power
CU547-CU549_CJ549_ML_A5_v8_20241016.indb 5
CU547-CU549_CJ549_ML_A5_v8_20241016.indb 5
Probable Cause
The unit is not switched on
Plug or lead is damaged
Fuse in the plug has blown
Mains power supply fault
Thermostat fault
The tap has become loose
Thermal cut-out switch is
activated
Solution
Check the unit is plugged in correctly and
switched on
Replace Plug or lead
Replace the fuse
Check mains power supply
Consult a qualified technician
Tighten the tap handle
Check the appliance is safe with no obvious
damage then press the reset switch on the
underside
EN
5
2024/10/16 15:38
2024/10/16 15:38
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